How do you get more treasure keys in Destiny 2?
You can get Treasure Keys — for picking up some sweet loot from Xur or unlocking some special anniversary cosmetics — from a handful of places. The first and most simple one is from the chest at the end of a Dares of Eternity run.
The maximum stack size for Treasure Keys is five. If a Guardian already has five keys in their inventory, additional keys acquired will not go to the Postmaster.
You can only carry five Treasure Keys at a given time, so make sure to use them before going back and repeating the Dares of Eternity. Completing this activity also earns you Strange Coins, which you'll need to complete the Forerunner quest, Magnum Opus.
You can spend your Treasure Keys to open the chest in front of Xûr in his Treasure Hoard, which guarantees a 30th Anniversary weapon. You can also exchange them for Celebration weapon mods, which release confetti upon getting precision blows.
To get Treasure Keys in Destiny 2, you'll need to complete the Dares of Eternity challenge. This can be accessed by opening your Director and selecting Eternity, located to the bottom left of the Tower and directly underneath the Moon.
In terms of leveling up Xur's Strange Favor Ranks fast, the best way to do that is to keep playing Dares of Eternity without switching to other activities. This mode includes a streak bonus, like all the other playlists.
How to Get Eyasluna. If you want to get the Eyasluna, you will need to venture into the Grasp of Avarice dungeon. This hand cannon is a possible reward after defeating Captain Avarokk, the final boss. Once he's defeated, this foe will reward players with two loot drops — one of which can be the Eyasluna hand cannon.
Players can only buy 20,000 keys in a single day. There is no monthly maximum when purchasing keys. Bought keys will expire 12 months after they were bought.
You may have hit the purchase limit for your account. If so, you won't be able to buy anything more for a while. Jagex sets purchase limits on accounts to combat online fraud. The purchase limit is based on your accounts previous purchase history.
To receive the additional Key in Izaro's 3rd encounter all three lieutenants must remain intact (if you defeat Izaro before they are spawned in the map counts as them being intact so if you want the key it's best if you can defeat Izaro before they have a chance to join the battle and you accidentally kill one of them) ...
How do you get the 3 keys from izaro?
How to get an extra key from each Izaro Phase - YouTube
Dares of Eternity – This is free to all players even if they don't own the DLC. Xur's Treasure Hoard – This is where you'll need to go for now. It's a small, Tribute Hall-sized area that's filled with gold and chests. The vendors here are Xur and Starhorse.

No it won't reset.
To reach rank 16, you must complete about 70 Dares of Eternity challenges. You might think that getting more XP for consecutive play is worth it, but it doesn't make much of a difference. You'll still need to do a lot of work. Treasure Keys will be awarded to you as you play Dares of Eternity.
In fact, it mentioned that the activities will remain in-game through 2022. It also explained that this applies to both free and paid content. The free magical horse-neighing, six-player activity Dares of Eternity rewards players with Treasure Keys to grab additional loot at Xur's Treasure Hoard.
Eyasluna is a mighty fine Hand Cannon that is likely going to sit in your Kinetic slot for quite some time. Despite using primary ammo, this thing deals Stasis damage, meaning it could have some nice synergy with the various Stasis Fragments on offer.
If you want to get the 1,000 Yard Stare, you will need to venture into the Grasp of Avarice dungeon. This sniper is a possible reward after defeating Captain Avarokk, the final boss. Once he's defeated, this foe will reward players with two loot drops – one of which can be the 1,000 Yard Stare.
To farm for Eyasluna, players will need to follow a few very specific steps and meet a couple of requirements. First, you must have received at least one Eyasluna drop to farm for it. Check your Collections and see if you have received an Eyasluna. If you have, you can continue forward with the farming method.
An umbral chest was given as an extra item for people who bought 450 Treasure Hunter keys from 18 February to 10 March 2019 and again from 2 March to 31 March 2020. This promotion was unlimited, so multiple chests were granted if the package was purchased multiple times.
Hearts of Ice is a currency accompanying RuneScape's loot boxes and freezes out rewards the players might not want. In the next few months this currency will be phased out with players receiving oddments at a 5:1 ratio based on how much they have left.
How do you use hearts of ice?
Runescape: 250 Hearts of Ice use them Wisely (Treasure Hunter)
There isn't a cap on how many bought keys and Hearts of Ice that a player can have at a time. Players can spend an unlimited amount of money on keys. Players can only buy 20,000 keys in a single day. There is no monthly maximum when purchasing keys."
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This article has a calculator for experience gained per oddment spent here.
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Players may not claim more than 10 extra keys earned via gameplay at a time; however, a player can have more than 10 extra keys if they are earned through other methods such as quests or daily challenges.
Tribute to the Goddess is a map fragment. This item grants access to the Eternal Labyrinth of Fortune from Aspirant's Plaza. The primary bonus reward is "The Labyrinth's rewards have been enriched". The labyrinth itself is area level 83, and both Izaro and traps have multiple buffs.
A guaranteed source of Strange Coins in Destiny. These matchmaking strikes can only be played once per week, for a maximum of 9 Strange Coins. However, smart players will have 2 alternate characters ready to exploit the Heoric strike every week for 27 Strange Coins.
Since a player can have up to 999 Paraversal Hauls at the same time, this means that this could potentially be a great way to take bounty stacking to a whole new level.
Destiny 2 Grasp of Avarice Complete Guide! | Loot cave Dungeon
Since a player can have up to 999 Paraversal Hauls at the same time, this means that this could potentially be a great way to take bounty stacking to a whole new level.
A guaranteed source of Strange Coins in Destiny. These matchmaking strikes can only be played once per week, for a maximum of 9 Strange Coins. However, smart players will have 2 alternate characters ready to exploit the Heoric strike every week for 27 Strange Coins.
What do you do with the keys in Destiny 2?
Destiny 2 Opulent Keys are used to open Opulent Chests found aboard the Leviathan. However, you can't just jam a key into any old chest. You need to open your inventory and hover your cursor over the Opulent Key. This'll show a clue that reveals the rough location of the chest it unlocks.
"Should I Bounty Hoard For The Witch Queen?" - YouTube
Paraversal Hauls from Dares of Eternity
If you are still curious whether Paraversal Hauls will give you a power boost, my answer is: not really. Paraversal Hauls will only be useful to even out your current gear.
Strange Coins, the in-game currency introduced by Xur in Destiny 2 has taken a starring role during the Bungie 30th Anniversary update. The currency has a new use related to Dares of Eternity, the seasonal activity that debuted with the update.
Strange Coins are a form of currency that originated in the first Destiny. They were used to purchase Exotic armor and weapons from Xur. Instead of being used for Exotics, Strange Coins in Destiny 2 can be used to buy rewards and bounties from Starhorse.
Finding them from Paraversal Haul reward boxes. Completing ritual activities like Gambit, Strikes, and Crucible matches. Turning in Xur and other bounties. Finishing Heroic Public Events.
Dares of Eternity – This is free to all players even if they don't own the DLC. Xur's Treasure Hoard – This is where you'll need to go for now. It's a small, Tribute Hall-sized area that's filled with gold and chests. The vendors here are Xur and Starhorse.